77results about How to "Low preprocessing requirements" patented technology

The invention provides an incineration treatment method for domestic refuse. The method comprises: having an incinerator arranged between a rotary kiln and a decomposing furnace; introducing tertiary hot air into a wind tower of the incinerator and baking an incinerator body; crushing domestic refuse with the water content less than 20 percent into refuse material 50 to 80 millimeters in particle size and guiding the refuse material into the incinerator body through an electronic control feeder of the incinerator; allowing a material level meter to send a feedback signal to stop adding the refuse material when a refuse material layer is 50 millimeters away from a material separation body; drying the refuse material; burning, decomposing and gasifying organic substances in the refuse material through the tertiary hot air out of a multi-layer air outlet of a central air pipe; ensuring that the temperature in the incinerator body is above 850 DEG C; discharging produced flue gas to the decomposing furnace through a smoke outlet; ensuring that the decomposing furnace reaches a temperature of above 900 DEG C and is in an alkaline atmosphere; and further neutralizing acidic flue gas. Refuse ash-slag is discharged through an electrical vibrating material discharger, sent into the rotary kiln, and is taken as raw material burden for cement production to participate in calcination, so that the aim of treating domestic refuse in a 'harmless, amount-reducing and resource-recovering' way is achieved.

The invention discloses a hazardous waste rotary type fluidizing cold slag three-stage incinerator, including a rotary kiln, a rotary kiln motor, a cooling fan, a fluidizing cold slag device, a three-burning chamber, an emergent discharge door, a quench tower, wherein the upper end of the fluidizing cold slag device is provided with a three-burning chamber, the top of which is connected with an emergent discharge door, a quench tower, the lower side of the three-burning chamber is connected with the tail of the rotary kiln provided with a cooling fan, and the rotary kiln is provided with a rotary kiln motor. The invention can process the hazardous waste of all forms, can burn the waste of liquid, solid and sludge etc., and has low requirement on the pretreatment. Under the rotation of the fluidizing cold slag device, the slag is further crashed, the slag heat loss ratio after burning is smaller than 3%; the thrice burning chamber further strengthens the burning, which makes the failure rate of the dioxin reach 99.99%, the temperature of the smoke from the three-burning chamber to the quench tower is reduced from 1100 degrees to 200 degrees.

The invention discloses a method for discriminating acacia honey and rape honey on the basis of H-nuclear magnetic resonance, belongs to the field of food detection, and relates to an application of H-nuclear magnetic resonance fingerprint in food detection. The method comprises the following steps: respectively establishing the H-nuclear magnetic resonance database of the rape honey and the H-nuclear magnetic resonance database of the acacia honey, constructing a discriminating model by using combination of a factor analysis technology and a discriminant analysis technology, discriminating a honey sample to be detected, and determining the honey to be discriminated as the rape honey or the acacia honey. The method has the advantages of reliable technology, simple operation, treatment of a large amount of samples in a short time, rapid discrimination of the kind of honey, avoiding of subjective factors and personal errors, and scientific and reliable conclusion.

The invention discloses a tubular composite nanofiltration membrane which comprises four functional layers, namely a support layer, a base membrane layer, an interfacial polymerization layer and a protective layer. A tubular base ultrafiltration membrane is formed by carrying out blending modification on polyethersulfone and an inorganic nanometer material, and a tubular polyamide composite nanofiltration membrane is formed by carrying out interfacial polymerization reaction on piperazine hexahydrate as a water-phase solution and a trimesoyl chloride hexane solution. According to a preparation process, a process technology of preparing a tubular polyethersulfone ultrafiltration membrane by adopting a jelly and synchronously producing the tubular polyethersulfone ultrafiltration membrane by adopting reel pipe welding and membrane coating is adopted. The obtained tubular composite nanofiltration membrane disclosed by the invention has the advantages of different selective separation functions on a monovalent ion and a divalent ion, a higher interception rate on a small-molecular organic matter, lower requirements on the pretreatment of feed liquid, applicability on the separation of high-solubility high-granularity high-suspension matters, and very high economic values on deep separation, purification and soluble shrinkage of some specific materials.

The invention relates to an N-level incineration treatment method for domestic garbage, which comprises that: an N-level incinerator (N is more than or equal to 2) is arranged between a rotary kiln and a decomposing furnace; tertiary hot-blast air is introduced into the N-level incinerator, so that spiral upcurrent with the temperature of 850 DEG C is formed; the domestic garbage of which the moisture content is less than 10 percent is crushed into garbage materials of which the granularity is less than 30 millimeters, and a small quantity of the garbage materials are fed into a furnace body slowly through an air-lock feeder, and meet N-level dividing grates which are arranged from top to bottom to undergo the combustion, decomposition and gasification of organic matters; and generated acidic fume is discharged to the decomposing furnace through smoke outlets distributed at multiple positions uniformly, and after the decomposing furnace reaches the furnace temperature of over 900 DEG C and is in the state of alkalinity, the acidic fumes can be further subjected to neutralization treatment to reach discharging standards finally. Ash residues of the garbage are discharged out of the furnace body by a totally-enclosed electric vibrating discharger, are conveyed to a kiln hood of the rotary kiln by conveying equipment to enter the rotary kiln, and are used as a raw component for producing cement for calcination and solidified in the cement finally, so that the treatment aim of the 'harmlessness, reduction and recycling' of the domestic garbage is fulfilled.

The invention provides a membrane distillation process using a hollow fiber membrane component to treat printing and dyeing wastewater, which comprises the following steps of: 1, pretreatment of the printing and dyeing wastewater; and 2, membrane distillation: making pretreated wastewater flow into a constant-temperature water heater, heating the wastewater to 50-60 DEG C via heat exchange of a low-quality heat source produced in the printing and dyeing process and the constant-temperature water heater, making the wastewater flow into a membrane distillation tank with the hollow fiber membrane component, and making cold water of 10-15 DEG C flow into a hollow fiber membrane of the hollow fiber membrane component from a constant-temperature cold water tank when the hollow fiber membrane component is soaked in the wastewater so as to form a temperature difference between inside and outside the hollow fiber membrane. Therefore, water vapor in the wastewater can move from the outer side to the inner side of the fiber membrane and can be condensed by cold water on the inner side of the fiber membrane to be discharged. The desalination rate of wastewater treatment can be improved greatly. Meanwhile, the pretreatment requirements can be reduced, the treatment can be simplified, energy can be saved, emissions can be reduced, and the operating and maintenance costs can be decreased.

The invention provides a device and a technology capable of combining high-salt content oil field sewage treatment and viscous oil recovery, and belongs to the technical field of sewage treatment. The device and the technology can be utilized for sewage treatment of a petroleum exploitation industry, a petroleum refining industry and chemical production processes, especially, realize high-efficiency treatment of high-salt content oil field sewage, and effectively combine high-salt content oil field sewage treatment and viscous oil recovery. The device is characterized mainly in that the device comprises a burning evaporator used in high pressure water, a multi-stage flash evaporation pot, a spray evaporator and a steam injection boiler. Through the device and the technology, advanced treatment of high-salt content oil field sewage is realized; fresh water and salt slurry can all be obtained; zero discharge is realized really; and waste water production is avoided. In addition, high-temperature high-pressure secondary steam and gas can be combined with boiler steam so that viscous oil can be recovered according to an optimal ratio and full utilization of energy is realized. The device has a compact structure, high efficiency and good economy. The technology is stable, reliable and novel oil field sewage treatment technology.

The invention discloses an image identification method for detecting product quantity, and relates to an image identification method. The image identification method comprises the following steps of: S1, installing video equipment; S2, packaging products; S3, stacking packaging boxes; S4, acquiring videos; S5, performing video screenshot; S6, performing preprocessing on pictures; S7, performing intermediate identification on the preprocessed pictures; and S8, judging the total quantity of the products. The image identification method is simple and high in identification accuracy, the production cost can be reduced, labor intensity can be reduced, the production efficiency can be improved, and the image identification method can be popularized and applied to any just-in-time production enterprises.

The rotary continuous microwave drier includes one microwave drying oven with inner cavity with wall painted with one layer of PTFE, right and left parallel vertical baffles of metal plates surface painted with PTFE on the two sides of the oven, one 4-20 deg inclined rotary container with material feeding pipe and air exhaust pipe extending beyond the side oven all at the high end and material discharge pipe and air intake pipe extending beyond the side oven wall at the lower end, microwave suppressors set at the joints between each of the said pipes and the side oven wall. The apparatus dries material inside the container continuously and automatically, and the evaporated water vapor is limited inside the container and thus has no influence on the circuit, resulting in long service life and high operation safety of the equipment.

The present invention provides an order-batch-mode limestone mortar wet desulphurization process, in particular relates to a high-efficient limestone desulphurization process that adopts the limestone mortar as the desulphurization agent, and adopts the order-batch alternative absorption reaction, and adopts the high-efficient desulphurization tower as the desulphurization device, and adopts lower pH value, lower liquid-gas ratio and economical desulphurization rate, and adopts the desulphurization waste slag as the byproduct. Smoke enters into the high-efficient desulphurization device, and a group of limestone mortar is adopted as absorption agent for the smoke to be desulphurized, until the pH value is decreased to a pre-determined value, and the smoke is temporarily withdrawn and the absorption is stopped; the absorption solution is continued to be reacted with the tiny particle of CaCO3, until the pH value is returned to the original value, and then another group of limestone mortar is filled to be desulphurized until the pH decreases to the pre-determined value; the mortar is filled at one group by another group for alternative absorption and after the mortar is reacted with the CaCO3, a new group of limestone mortar is replaced; the waste mortar is discharged after being processed; the waste slag is processed after being dehydrated. The order-batch-mode limestone mortar wet desulphurization process saves the investment, and has low operation expense, and is simple to be operated and managed, and has wide application, and resolves the scale formation problem of the tower and pool.

The invention relates to the technical field of magnesium plate production, in particular to a method and mold device used for producing wide-width magnesium plates. The mold device used for producingthe wide-width magnesium plates at least comprises an inner barrel which is provided with a blank material machining cavity; the blank material machining cavity comprises a mold cavity, a forward extruding area, a multi-corner equal-diameter angle extruding area and a magnesium plate outlet which sequentially communicate with one another from top to bottom; the forward extruding area is of a big-end-up conical structure; and the multi-corner equal-diameter angle extruding area is provided with at least two corners. According to the method and mold device used for producing the wide-width magnesium plates, the two manners of forward extruding and multi-corner equal-diameter angle extruding are combined, wide-width magnesium alloy medium thick plates and thin plates with high plasticity canbe directly produced in one machining travel, the continuity production requirement of the magnesium plates is met, the production efficiency is improved, and the rate of finished products of the magnesium alloy plates and the finished product quality are improved.

The invention discloses a transformer DC magnetic bias judgment method based on wavelet energy spectrum characteristics of a vibration signal. The method comprises the following steps: A, acquiring the vibration signal of a transformer and processing the acquired signal; B, judging the DC magnetic bias of the transformer according to the energy spectrum characteristics of the vibration signal frequency component energy distribution sequence; within the time T, if the wavelet energy spectrum characteristic C is always greater than the judgment threshold D, judging that DC magnetic bias occurs;otherwise, turning to the step 1. According to the invention, the technical problems that in the prior art, transformer DC magnetic bias judgment is high in requirement for effectiveness and accuracyof data, large in training amount, lack of theoretical basis, lack of evaluation on the DC magnetic bias state, prone to being disturbed by other factors, lack of persuasion, low in accuracy and reliability and the like are solved.

The invention discloses a method for removing nickel in chemical nickel-plating wastewater, comprising the steps of: (1) chelation reaction: reacting nickel in wastewater with a chelant to form a nickel chelate; (2) composite flocculation precipitation: subjecting a polymeric Mg-Fe composite flocculant and the nickel chelate obtained in the step (1) to composite flocculation precipitation; and (3) multimedium filtration: filtering the wastewater subjected to the composite flocculation precipitation in the step (2) by adopting a multimedium filter method. The treated wastewater is discharged when nickel content in outflow water reaches the standard. The method has the advantages of good treatment effect, simplicity for operation and management and low operation cost and is a good method for removing the nickel in the chemical nickel-plating wastewater.

The invention discloses a zero-emission and low-energy-consumption concentration tower. The zero-emission and low-energy-consumption concentration tower can solve the problems of high desulfurizationwastewater operation cost, complex treatment process and real zero emission of desulfurization wastewater, which are not solved by a traditional wastewater treatment method for a concentration tower.The zero-emission and low-energy-consumption concentration tower comprises a tower body and a bottom pool, wherein a first spraying layer, a second spraying layer and a demisting layer are sequentially arranged in the tower body from bottom to top; a demister is mounted in the demisting layer; a connecting pipe is connected with and arranged on the side wall of the top part of the demisting layer;one end of the connecting pipe is connected with a gas circulating pump; a guide pipe and a gas circulating pipe which are perpendicular to each other are connected with and arranged on the side wallof the gas circulating pump; the bottom end of the gas circulating pipe is guided into the bottom pool; an electromagnetic valve is installed at the joint of the guide pipe and the gas circulating pipe; a plurality of spray heads are installed in the first spray layer and the second spray layer; a tower tray is installed at the bottom part of the interior of the tower body; and a PLC is installedon the outer wall of the tower body.

The invention discloses a chemical desiliconization method and application in black soil type iron oxide manganese ore beneficiation. The chemical desiliconization method adopts microwaves to serve as a heating source so that silicon in silicate mineral can be quickly activated at the low temperature and then can react with alkali (soil) metallic oxide (salt) additives to generate acid-soluble salt, and the desiliconization purpose is achieved through an acid pickling process. The application of the chemical desiliconization method in black soil type iron oxide manganese ore beneficiation comprises the following steps that black soil type iron oxide manganese ore is crushed and ground to be 0.9 mm or less, then uniformly mixed with lignin additives and the alkali (soil) metallic oxide (salt) additives and put into a microwave reaction device for reducing roasting, and roasted ore is obtained; the roasted ore is cooled naturally and added into an acid solution to be subjected to stirring, leaching and desiliconization at the low temperature; and solid-liquid separation is conducted, and the obtained solid phase is iron ore concentrate. The chemical desiliconization method and application in black soil type iron oxide manganese ore beneficiation have the advantages of being low in pretreatment requirement, mild in reaction condition, high in desiliconization efficiency, small in acid consumption, high in iron recovery rate, free of pollution, controllable and the like and have wide application prospects.

The invention relates to a purification and treatment technique field for polluted air. The oil extraction wastewater purification method of the invention is that: activated magnesia oxide 50 to 500mg/L is directly added to pretreated thick oil wastewater (oil content lower than 30mg/L, suspension lower than 1000mg/L); the mixture enters into an eddy reactor, after mixing and reaction for 1 to 15 minutes, inorganic aluminum salt and organic flocculating agent are added to water out and then enter into a sludge reactor; the sludge reactor generates return sludge by 1 to 6 times of the water in through top return pump or a lifting and stirring device, the return sludge fully mixes with water in for 10 to 60 minutes and comes into a clarification and precipitation device; after 30 to 90 minutes of clarification and precipitation, silicon dioxide and suspensions are removed, and the water out enters into the next stage treatment device, sludge is discharged from a sludge groove, thus reaching the target of silicon removing and water purification.

The invention relates to an algae type hollow fiber ultrafiltration membrane filter device. Hollow fibers which are prior fixed on two ends are fixed on one end so as to form an algae floating type structure. A reticular support is adopted for the internal structure of a hollow fiber membrane silk, namely, a reticular support layer is added below a membrane silk separation layer of the hollow fiber ultrafiltration membrane. The algae type hollow fiber ultrafiltration membrane filter device is used for efficiently removing suspended matters, organic matters, colloids, microbes, and the like in water. The algae type hollow fiber ultrafiltration membrane filter device belongs to the technical field of membrane separation water treatment. The device is integrated with an activated sludge method to form a membrane bioreactor MBR without strict pretreatment. Therefore, the device can be applied to sewage treatment projects.

The invention provides a solid waste decoupling combustion device, a solid waste decoupling combustion system device and a combustion method of the solid waste decoupling combustion device. The combustion device comprises a shell, wherein the interior of the shell is divided into a feeding combustion channel, a flue gas mixed combustion channel and a flue gas afterflame channel which are sequentially communicated through partition plates in the material flowing direction, and the feeding combustion channel is divided into a preheating drying area, a pyrolysis gasification area, a semi-coke area and a burnout area in the material flowing direction; an air distribution device is arranged below the feeding end in the feeding combustion channel, and vent holes are formed in the outer wall of the side, close to the preheating drying area and the pyrolysis gasification area, of the air distribution device; at least one deflection baffle is arranged in the flue gas afterflame channel, and a rotary deflection flue gas flow channel is formed in the flue gas afterflame channel through the deflection baffles; and an air-smoke heat exchanger is arranged in the flue gas afterflame channel close to the outlet. Through the reasonable flue and air distribution design and the optimized combustion process, materials are fully combusted, and the combustion device has the advantages of being compact in structure, small in pollutant emission and the like.

The invention relates to the technical field of communication signal processing and discloses a signal modulation method, device and server. The method comprises steps of obtaining a truncated sequence of a to-be-recognized signal; based on the truncated sequence of the to-be-identified signal, determining probability distribution of modulation modes of the truncated sequence of the to-be-identified signal, the probability distribution being used for representing a probability that the to-be-identified signal belongs to each modulation mode; determining the modulation mode of the to-be-identified signal based on the probability distribution of the modulation mode of the truncated sequence of the to-be-identified signal; and demodulating the signal based on the determined modulation mode. According to the method, identification of a signal modulation mode with low preprocessing requirements and high identification precision can be realized under non-cooperative communication and non-ideal channel conditions, so that resources are more effectively concentrated to perform blocking interference on important signal parameters.